이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include<bits/stdc++.h>
#define endl "\n"
using namespace std;
void speed()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
}
int t,n,m,h;
char a1,a2;
string s[1005];
void print(int br)
{
cout<<br<<endl;
if(h)
{
for(int i=1; i<=m; i++)
{
for(int j=1; j<=n; j++)
{
cout<<s[j][i-1];
}
cout<<endl;
}
return;
}
for(int i=1; i<=n; i++)
{
for(int j=1; j<=m; j++)
{
cout<<s[i][j-1];
}
cout<<endl;
}
}
void fil(int i)
{
for(int j=1;j<=m;j++)s[i]+=a1;
}
void fila2(int i,int st)
{
int gr=(((m-1)/2)*n)/(n/2+1);
for(int j=1;j<=(n-1)/2;j++)
{
s[i][st-1]=a2;
st--;
if(st<m-gr)st=m;
}
}
void resheven()
{
int br=n+(((m-1)/2)*n)/(n/2+1),pos=m,gr=(((m-1)/2)*n)/(n/2+1);
//cout<<(((m-1)/2)*n)/(n/2+1)<<endl;
for(int i=1;i<=n;i++)
{
fil(i);
fila2(i,pos);
pos--;
if(pos<=m-gr)pos=m;
}
print(br);
}
void resh()
{
int br=0;
for(int i=1; i<=(n-1)/2; i++)
{
for(int j=1; j<=m/2+1; j++)
{
s[i]+=a1;
}
for(int j=m/2+2; j<=m; j++)
{
s[i]+=a2;
}
br++;
}
for(int i=(n-1)/2+1; i<=n-1; i++)
{
for(int j=1; j<=(m-1)/2; j++)
{
s[i]+=a2;
}
for(int j=(m-1)/2+1; j<=m; j++)
{
s[i]+=a1;
}
br++;
}
if(m>2)
{
for(int i=1; i<=m; i++)
{
s[n]+=a2;
}
br+=((m-1)/2)*2;
}
else
{
for(int i=1; i<=m; i++)
{
s[n]+=a1;
}
br++;
}
print(br);
}
void read()
{
cin>>t;
for(int z=1; z<=t; z++)
{
cin>>n>>m;
if(n<m)
{
swap(n,m);
a1='-';
a2='+';
h=1;
}
else
{
a1='+';
a2='-';
}
if(n%2==0)resheven();
else resh();
h=0;
for(int i=1; i<=n; i++)s[i].clear();
}
}
int main()
{
speed();
read();
return 0;
}
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